CN2176171Y

CN2176171Y - Electric toy

Info

Publication number: CN2176171Y
Application number: CN 93239584
Authority: CN
Inventors: 唐丹; 吴承金
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-18
Filing date: 1993-11-18
Publication date: 1994-09-07
Anticipated expiration: 2003-11-18

Abstract

The utility model relates to an electric toy. When a person or an object approaches, the electric toy can automatically start for a period of time and stop alone (lose your hand). The electric toy comprises a toy body, a bottom seat, a driving wheel, a DC motor, a sound device, a pushing circuit, a mono-stable circuit, a control circuit U, a sending head F, and a receiving head J. Because the electric toy carries out samples by send infrared or ultrasonic signals and to receive the infrared or the ultrasonic signals, the electric toy better overcomes the defect that the operation of the existing toy of the same class is unreliable. The utility model integrates interesting and entertainment into a whole.

Description

Electric toy

The utility model relates to electronic toy, particularly a kind of when people or thing near the time (grabbing incessantly) electronic toy of stopping voluntarily after can starting a period of time voluntarily.

In the prior art, a kind of electronic toy that adopts the inductive pick-up sampling to drive is arranged, this toy is by toy body, end seat, power supply, the footing of carrying toy body, the dc motor of control footing motion, the amplifying circuit of control dc motor work, the monostable circuit of control amplifying circuit working time, and include the controller and the sound-producing device that can when this electronic toy start send the sound of inductive pick-up with the control monostable circuit.This electronic toy can be walked about voluntarily when people or thing enter the induction range of its inductive pick-up and be sent the sound.Advantage with molten entertaining and the glad one of object for appreciation.But not enough is, and this startup can take place in this toy does not start, and the phenomenon that started on the contrary in the time of should not starting, its reason are that the work of inductive pick-up is subjected to the influence of environment too big.

The purpose of the utility model is at not too reliable this shortcoming of the work of prior art, provides a kind of energy reliable start and stop, and is affected by environment less, when people or thing near the time stop the electronic toy of (grabbing incessantly) after can starting a period of time voluntarily voluntarily.

The utility model purpose can realize like this:

A kind of electronic toy incessantly of grabbing, it comprises: the base of toy body, power supply, carrying toy body; The dc motor that driving wheel is housed on the described base and links with this driving wheel, a pronunciation device, the promotion circuit of controlling described dc motor work in addition and described pronunciation device being pronounced, and the monostable circuit of control promotion circuit working, it is characterized in that the described electronic toy incessantly of grabbing also comprises:

Emission with receive a FJ, it be used to send signal and recipient or thing near the time signal that reflected, it is positioned at the upper end of described toy body;

One can provide the control circuit U that transmits and triggering signal is provided to described monostable circuit according to a reception reflected signal that J accepted with the emitting head F that receives a FJ to described emission.

Emission in the described scheme and an acceptance FJ can be selected infrared transmitting tube L for use ₁With infrared receiving tube P ₁Make, and control circuit U can comprise one both can be to described infrared transmitting tube L ₁Provide to transmit, can receive described infrared receiving tube P again ₁The reflected signal of receiving can also compare infrared signal of sending and the reflected signal of receiving to determine whether to trigger the audio decoder U of described monostable circuit ₁One in order to determine described audio decoder U ₁The frequency that transmits that is provided and by resistance R ₇, capacitor C ₂The adjunct circuit that constitutes; NAND gate by two polyphones, amplifier tube BG ₃, resistance R ₈, R ₁₀, R ₁₁Formation is to amplify described audio decoder U ₁To infrared-emitting diode L ₁The shaping amplifier that transmits that provides; One by integrated amplification collection spare IC ₂, resistance R ₅, R ₆, R ₉, electric capacity E ₄Formation is to amplify described infrared receiving tube P ₁Receive and be sent to described audio decoder U ₁The audio-frequency amplifier of reflected signal; And coupling capacitance C ₁, C ₃, C ₄, resistance R ₁Capacitor C ₂One end ground connection, the other end respectively with audio decoder U ₁Ct pin and resistance R ₇One end links to each other, resistance R ₇Another termination U ₁The Rt pin, resistance R ₈Be connected across between the NAND gate input of two polyphones resistance R ₁₁Be connected across the NAND gate output and amplifier tube BG of two polyphones ₃Between the base stage, BG ₃Emitter grounding, colelctor electrode passes through resistance R ₁₀Meet infrared transmitting tube L ₁Anode, L ₁Negativing ending grounding; Infrared receiving tube P ₁Positive ending grounding, negative terminal passes through resistance R ₉Link to each other with power supply; Electric capacity E ₄One end ground connection, the other end passes through resistance R ₅Meet integrated amplifier module IC ₂The 2nd pin, resistance R ₆Be connected across IC ₂Between the 2nd pin and the 4th pin; Capacitor C ₃Be connected across audio decoder U ₁The Rt pin and the NAND gate input of two polyphones between, capacitor C ₁Cross-over connection is in infrared receiving tube P ₁Negative terminal and integrated amplifier module IC ₂The 1st pin, capacitor C ₄Cross-over connection is in IC ₂The 4th pin and U ₁The IN pin, U ₁The OUT pin pass through resistance R on the one hand ₁Connect power supply, link to each other with the input of described monostable circuit on the other hand.

The key of described scheme, be to have adopted the emission that to launch infrared signal and receive the infrared external reflection signal and received head and control circuit thereof sampling mechanism as electronic toy, because the signal that it receives is to meet the same frequency reflected signal that is produced behind people or the thing by its signal of launching, so its sampling precision is higher, be subjected to the influence of environment minimum.

Emission in the described scheme can also receive a b by ultrasonic wave emitting head a and ultrasonic wave with an acceptance FJ and constitute, and control circuit U can comprise: the ultrasonic wave emission integrated package U that signal can be provided to ultrasonic wave emitting head a ₅, resistance R ₄₀By triode BG ₄, resistance R ₅₀, inductance L, capacitor C ₁Formation is to amplify the frequency-selective amplifier that described ultrasonic wave receives the reflected signal that a b receives, by triode BG ₅, resistance R ₂₀, R ₃₀, capacitor C E ₁Formation is to trigger the emitter-follower of described monostable circuit; Coupling capacitance CE ₂Ultrasonic wave emission integrated package U ₅Output pin 2 and pin 3 connect two terminals of ultrasonic wave emitting head a, resistance R respectively ₄₀Cross-over connection is in ultrasonic wave emission integrated package U ₅The 3rd pin and the 1st pin, U ₅The 1st pin connects power supply; Ultrasonic wave receives a b one end ground connection, another termination triode BG ₄Base stage, BG ₄Emitter grounding, resistance R ₅₀Cross-over connection is in BG ₄Base stage and power supply, capacitor C ₁With cross-over connection after the inductance L parallel connection in BG ₄Colelctor electrode and power supply; Resistance R ₂₀One end and triode BG ₅Colelctor electrode connects power supply, another termination BG after linking to each other ₅Base stage, resistance R ₃₀With capacitor C E ₁Be connected across BG after the parallel connection ₅Between emitter-base bandgap grading and the ground, capacitor C E ₂Cross-over connection is in BG ₄Colelctor electrode and BG ₅Base stage, BG ₅Colelctor electrode links to each other with described monostable circuit input.This with the emission ultrasonic wave with accept the circuit that ultrasonic wave is sampled, owing to adopted frequency-selective amplifier, have only the reflected signal with the signal same frequency of its emission to trigger monostable circuit work by control circuit.It is higher to make sampling precision equally, less sampling mechanism affected by environment.

Facts have proved: the electronic toy incessantly of grabbing that adopts the technical solutions of the utility model making, have reliably start and stop, its work is not affected by environment basically, when people or thing near the time stop voluntarily after starting a period of time automatically, reach the purpose of the utility model.

The utility model has following accompanying drawing.

Fig. 1 is the utility model structural representation.

Fig. 2 is the circuit structure diagram of Fig. 1.

Fig. 3 is that emission is adopted an infrared transmitting tube L with a reception FJ among Fig. 2 ₁With infrared receiving tube P ₁The circuit structure diagram of Shi Caiyong also is an example 1.

Fig. 4 is the control circuit figure of emission when receiving a FJ and adopt ultrasonic wave emitting head a and ultrasonic wave to receive b among Fig. 2, also is instantiation 2.

Now in conjunction with the accompanying drawings the utility model example is described.

In the example 1 (referring to Fig. 1, Fig. 2, Fig. 3):

The 1-toy body, it can make different shape.The 2-driving wheel, it is loaded on the end seat (not shown) of toy body (1).M1 is a direct current generator, and it links mutually with described driving wheel.SC is a loudspeaker, U ₂For the voice integrated package, constitute sound-producing device by them.BG ₁, BG ₂Be triode, R ₄Be resistance, constitute the promotion circuit by them.E ₃Be electrochemical capacitor, R ₃, R ₂Be resistance, U ₃Be two NAND gates, constitute monostable circuit by them.L ₁Be infrared transmitting tube, P ₁Be infrared receiving tube, by L ₁And P ₁Constitute emission and accept a FJ.U ₁Be audio decoder, model is LM567.U ₄It is the NAND gate of two polyphones.BG ₃Be triode, model is 9013.IC ₂Be integrated amplifier module, model is IR3R18.R ₁, R ₅-R ₁₁Be respectively resistance, its value is respectively 9.1K, 100 Ω, 100K, 9.1K, 51K, 110K, 13 Ω, 2.2K.C ₁-C ₄Be respectively electric capacity, be respectively 0.01 μ, 0.1 μ, 2700P, 0.01 μ.E ₄Be electrochemical capacitor, get 4.7 μ.E ₁, E ₂Be audio decoder U ₁Additional capacitor, its value is 1 μ.

The course of work of example 1: audio decoder U ₁Frequency by C ₂And R ₇Determine that output waveform is a symmetrical square wave.By U ₁Rt(the 7th pin) output, by capacitor C ₃Be coupled to NAND gate 4, through NAND gate U ₄Shaping, triode BG ₃Amplify, by infrared transmitting tube L ₁After the thing reflection is met in emission, the signal of launching, by infrared receiving tube P ₁Receive, and with the reflected signal received by capacitor C ₁Be coupled to integrated amplifier module IC ₂Input (the 1st pin) is amplified the back by capacitor C ₄Be coupled to audio decoder U ₁IN end (the 3rd pin).As long as U ₁The signal frequency sent of the signal frequency received of IN end and its Rt end identical, its OUT end (the 8th pin) will produce low signal triggering monostable circuit, the promotion circuit working also drives direct current generator M ₁Rotate.Toy body advances and sounds.After a period of time (working time on monostable circuit decides), toy halts.So repeatedly, realize grabbing design incessantly.

In the example 2 (referring to Fig. 1, Fig. 2, Fig. 4):

Except that emission and a reception FJ and control circuit, all the other are all identical with example 1 in this example.

A, b are respectively the ultrasonic wave emitting head and ultrasonic wave receives head, and model is respectively UCM40R and UCM40T.U ₅Be ultrasonic wave emission integrated package, model is NYKD40R.BG ₄, BG ₅Be respectively triode, model is 3DG6.R ₂₀, R ₃₀, R ₄₀, R ₅₀Be respectively resistance, be respectively 510 Ω, 1K, 68K, 270K.C ₁Be 0.1 μ electric capacity.CE ₁, CE ₂Be 4.7 μ electrochemical capacitors.

Adopt ultrasonic wave emission integrated package U in this example ₅Drive ultrasonic wave emitting head a and send ultrasonic wave, receive a b by ultrasonic wave and receive reflected signal, by BG ₄, C ₁, the frequency-selector that constitutes of L amplifies reflected signal, as long as reflected signal is identical with the signal frequency of launching, then by BG ₅, R ₂₀, R ₃0, CE ₁The emitter-follower that constitutes will be exported negative signal and trigger described monostable circuit work.All the other courses of work of this example are identical with example 1.Here no longer narration.

Claims

1, a kind of electronic toy incessantly of grabbing, it comprises: toy body, power supply, the end of carrying toy body, sat; Take driving wheel and the dc motor that links mutually with this driving wheel be housed at the described end, a pronunciation device, the promotion circuit of controlling described dc motor work in addition and described pronunciation device being pronounced, and the monostable circuit of control promotion circuit working, it is characterized in that the described electronic toy incessantly of grabbing also comprises:

Emission with accept a FJ, it be used to send signal and acceptor or thing near the time signal that reflected, it is positioned at the upper end of described toy body;

One can provide the control circuit U that transmits and triggering signal is provided to described monostable circuit according to the reflected signal that its reception J accepts with the emitting head F that accepts a FJ to described emission.

2, the electronic toy incessantly of grabbing according to claim 1 is characterized in that described emission and accepts a FJ by infrared transmitting tube L ₁With infrared receiving tube P ₁Constitute.

3,, it is characterized in that described emission can receive a b by ultrasonic wave emitting head a and ultrasonic wave with an acceptance FJ and constitute by the described electronic toy incessantly of grabbing of claim 1.

4, by claim 1, the 2 described electronic toys incessantly of grabbing, it is characterized in that described control circuit U comprises: one both can be to described infrared transmitting tube L ₁Provide to transmit, can accept described infrared receiving tube P again ₁The reflected signal of receiving can also compare the reflected signal received and transmitting of launching to determine whether to trigger the audio decoder U of described monostable circuit ₁One is used for determining described audio decoder U ₁The frequency that transmits that provides and by resistance R ₇, capacitor C ₂The adjunct circuit that constitutes; NAND gate by two polyphones, amplifier tube BG ₃, resistance R ₈, R ₁₀-R ₁₁Formation is to amplify described audio decoder U ₁To infrared-emitting diode L ₁The shaping amplifier that transmits that provides; One by integrated amplifier module IC ₂, resistance R ₅-R ₆, resistance R ₉, electric capacity E ₄Formation is to amplify by described infrared receiving tube P ₁Receive and be sent to described audio decoder U ₁The audio-frequency amplifier of reflected signal; And coupling capacitance C ₁, C ₃, C ₄, resistance R ₁Capacitor C ₂One end ground connection, the other end respectively with audio decoder U ₁Ct pin and resistance R ₇One end links to each other, resistance R ₇The other end and U ₁The Rt pin link to each other; Resistance R ₈Be connected across between the NAND gate input of power supply and two polyphones resistance R ₁₁Cross-over connection is in the NAND gate output and the amplifier tube BG of two polyphones ₃Between the base stage, BG ₃Emitter grounding, colelctor electrode passes through resistance R ₁₀Meet infrared transmitting tube L ₁Anode, L ₁Negative terminal connects power supply; Infrared receiving tube P ₁Positive ending grounding, negative terminal passes through resistance R ₉Link to each other with power supply; Electric capacity E ₄One end ground connection, the other end passes through resistance R ₅Meet integrated amplifier module IC ₂The 2nd pin, resistance R ₆Be connected across IC ₂Between the 2nd pin and the 4th pin; Capacitor C ₃Be connected across audio decoder U ₁The Rt pin and the NAND gate input of two polyphones between, capacitor C ₁Cross-over connection is in infrared receiving tube P ₁Negative terminal and integrated amplifier module IC ₂The 1st pin, capacitor C ₄Cross-over connection is in IC ₂The 4th pin and U ₁The IN pin, U ₁The OUT pin pass through resistance R on the one hand ₁Connect power supply, link to each other with the input of described monostable circuit on the other hand.

5, by claim 1, the 3 described electronic toys incessantly of grabbing, it is characterized in that described control circuit U can comprise: the ultrasonic wave emission integrated package U that signal can be provided to described ultrasonic wave emitting head a ₅, resistance R ₄₀By triode BG ₄, resistance R ₅₀, inductance L, capacitor C ₁Formation is to amplify the frequency-selective amplifier that described ultrasonic wave receives the reflected signal that a b receives; By triode BG ₅, resistance R ₂₀, R ₃₀, capacitor C E ₁Formation is to trigger the emitter-follower of described monostable circuit; Coupling capacitance CE ₂Ultrasonic wave emission integrated package U ₅Output pin 2 and 3 connects two terminals of ultrasonic wave emitting head a, resistance R ₄₀Cross-over connection is in ultrasonic wave emission integrated package U ₅3 pin and the 1st pin, U ₅The 1st pin connects power supply; Ultrasonic wave receives a b one end ground connection, another termination triode BG ₄Base stage, BG ₄Emitter grounding, resistance R ₅₀Cross-over connection is in BG ₄Base stage and power supply, inductance L and capacitor C ₁Back cross-over connection in parallel is in BG ₄Colelctor electrode and power supply; Resistance R ₂₀One end and triode BG ₅Colelctor electrode connects power supply, another termination BG after linking to each other ₅Base stage, resistance R ₃₀With capacitor C E ₁Back cross-over connection in parallel is in BG ₅Emitter-base bandgap grading and ground, capacitor C E ₂Cross-over connection is in BG ₄Colelctor electrode and BG ₅Base stage, BG ₅Emitter-base bandgap grading links to each other with described monostable circuit input.